Games like Red Solstice 2: Survivors - M.E.R.C.S.
Games like Red Solstice 2: Survivors - M.E.R.C.S. include Mount & Blade II: Bannerlord, Gears Tactics, Mount & Blade: Warband, Crusader Kings III, and XCOM 2. We matched them by the tags players give Red Solstice 2: Survivors - M.E.R.C.S. on Steam (Strategy, RPG, Gore, and Downloadable Content): closest matches first, and among equally close ones the better-known games.

Mount & Blade II: Bannerlord
Shared: Strategy · RPG

Gears Tactics
Shared: Strategy · Gore · RPG

Mount & Blade: Warband
Shared: RPG · Strategy

Crusader Kings III
Shared: Strategy · RPG

XCOM 2
Shared: Strategy · RPG

Battle Brothers
Shared: Strategy · RPG

9 Kings
Shared: Strategy · RPG

Heroes of Might and Magic: Olden Era
Shared: Strategy · RPG

Stoneshard
Shared: RPG · Strategy

Total War: WARHAMMER
Shared: Strategy · RPG

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Strategy

Warhammer 40,000: Dawn of War II - Anniversary Edition (Classic)
Shared: Strategy · Gore · RPG

觅长生
Shared: RPG · Strategy

SpellForce 3 Soul Harvest
Shared: Strategy · RPG · Gore

For The King
Shared: RPG · Strategy

Crusader Kings II
Shared: Strategy · RPG

MENACE
Shared: Strategy · RPG

Sands of Salzaar
Shared: RPG · Strategy

Baldur's Gate 3
Shared: RPG · Strategy

GWENT: The Witcher Card Game
Shared: Strategy · RPG

Swords and Sandals Classic Collection
Shared: Strategy · RPG · Gore

Sultan's Game
Shared: RPG · Strategy

Warhammer 40,000: Rogue Trader
Shared: RPG · Strategy

Town of Salem
Shared: Strategy · RPG